This ensures posts are still accessible at their previous permalink after the permalink structure is updated..
Month and name and you have post titled.
Post name permalink structure and have your post live at https example com i-love-wordpress instead..
You could but this would in the existing post permalink 404ing when visited.
With Backwards Compatible Permalinks installed your post would be accessible at both the old and new permalink structures https example com 2019 03 i-love-wordpress https example com i-love-wordpress..
This plugin does not work retroactively i.e you must have the plugin installed and activated prior to switching permalink structures before backwards compatibility will work..
Backwards compatibility is provided between the recent permalink structure update i.e you cannot change your permalink structure 3 times and have backwards compatibility across all 3 structures...
After deactivating or uninstalling this plugin please ensure you visit Settings > Permalinks in WordPress admin area to flush your rewrite rules..
Upload the folder to the wp-content plugins directory..
Activate the Backwards Compatible Permalinks plugin through 'Plugins WordPress...
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